How long does it take to download a map? SUPPORT July 02, 2018 01:19 Updated Follow Downloads take on average around 1 – 8 minutes, depending on your wifi/ data connection. Related articles How do I use the 3D Map? What is FATMAP? Where can I download FATMAP? How do I switch between summer and winter imagery? What devices is FATMAP compatible with? Comments 0 comments Please sign in to leave a comment.